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Finding the Fourth Proportional to 187.17, 279.25 and 167.59

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Solution

The fourth proportional to 187.17, 279.25 and 167.59 is: 250.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    187.17 : 279.25 = 167.59 : x
  2. Step 2: Convert to fraction form
    187.17/279.25 = 167.59/x
  3. Step 3: Cross multiply
    187.17x = 279.25 × 167.59
  4. Step 4: Simplify right side
    187.17x = 46,799.51
  5. Step 5: Solve for x
    x = 46,799.51/187.17
  6. Step 6: Final answer
    x = 250.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.